The Baby Jogger City Mini 2 & GT2 Double Car Seat Adapter is designed specifically for attaching Graco car seats to Baby Jogger strollers. This adapter, compatible with the GT2 Double model, allows parents to securely attach two car seats to their stroller, creating a convenient and safe transportation solution for twins or siblings close in age. With the trusted Baby Jogger brand behind it, this adapter ensures a reliable and durable connection for a comfortable and smooth ride.